qdev-core: remove DeviceListener from typedefs.h

It is needed in very few places, which already depend on other parts of
qdev-core.h files.  The benefit of having it in typedefs.h is small.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/include/hw/qdev-core.h b/include/hw/qdev-core.h
index 9228e96..5336728 100644
--- a/include/hw/qdev-core.h
+++ b/include/hw/qdev-core.h
@@ -294,6 +294,7 @@
     MemReentrancyGuard mem_reentrancy_guard;
 };
 
+typedef struct DeviceListener DeviceListener;
 struct DeviceListener {
     void (*realize)(DeviceListener *listener, DeviceState *dev);
     void (*unrealize)(DeviceListener *listener, DeviceState *dev);
diff --git a/include/qemu/typedefs.h b/include/qemu/typedefs.h
index 949d3e1..66f0b14 100644
--- a/include/qemu/typedefs.h
+++ b/include/qemu/typedefs.h
@@ -47,7 +47,6 @@
 typedef struct CPUJumpCache CPUJumpCache;
 typedef struct CPUState CPUState;
 typedef struct CPUTLBEntryFull CPUTLBEntryFull;
-typedef struct DeviceListener DeviceListener;
 typedef struct DeviceState DeviceState;
 typedef struct DirtyBitmapSnapshot DirtyBitmapSnapshot;
 typedef struct DisplayChangeListener DisplayChangeListener;